846930859 has 2 divisors, whose sum is σ = 846930860. Its totient is φ = 846930858.

The previous prime is 846930841. The next prime is 846930911. The reversal of 846930859 is 958039648.

It is a happy number.

It is an a-pointer prime, because the next prime (846930911) can be obtained adding 846930859 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 846930859 - 2¹¹ = 846928811 is a prime.

It is not a weakly prime, because it can be changed into another prime (846930059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423465429 + 423465430.

It is an arithmetic number, because the mean of its divisors is an integer number (423465430).

Almost surely, 2^846930859 is an apocalyptic number.

846930859 is a deficient number, since it is larger than the sum of its proper divisors (1).

846930859 is an equidigital number, since it uses as much as digits as its factorization.

846930859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 846930859 is about 29102.0765410305. The cubic root of 846930859 is about 946.1267446359.

The spelling of 846930859 in words is "eight hundred forty-six million, nine hundred thirty thousand, eight hundred fifty-nine".